Mach Number Calculator
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Calculate Mach number from airspeed and altitude, or calculate the airspeed for a given Mach number at a specific altitude.
Mach Number Results
Mach Number
1.002
Supersonic flight regime
Speed of Sound
299.53 m/s
1,078.30 km/h
True Airspeed
300.00 m/s
1,080.00 km/h ≈ 583.2 knots
Air Temperature
-49.9°C
-57.8°F / 223.2 K
Open Source & Transparent
This tool is open source and the underlying logic is fully transparent. You can view the source code, understand the calculations, and even contribute improvements to make it better for everyone.
View Source Code